This book reproduces the text of the original edition. The content and language reflect
the beliefs, practices and terminology of their time, and have not been updated.

These two volumes of lectures on neurological illnesses, first published in Paris in 1872–3 and 1877, were based on extensive clinical studies at the Salpêtrière, and edited by Désiré Magloire Bourneville. The second edition of Volume 1, reissued here, was published in 1875.